Home / 31,120,790.10-46,681,185.15-15,815,289.30

Finding the Fourth Proportional to 31,120,790.10, 46,681,185.15 and 15,815,289.30

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Solution

The fourth proportional to 31,120,790.10, 46,681,185.15 and 15,815,289.30 is: 23,722,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120,790.10 : 46,681,185.15 = 15,815,289.30 : x
  2. Step 2: Convert to fraction form
    31,120,790.10/46,681,185.15 = 15,815,289.30/x
  3. Step 3: Cross multiply
    31,120,790.10x = 46,681,185.15 × 15,815,289.30
  4. Step 4: Simplify right side
    31,120,790.10x = 738,276,448,014,113.88
  5. Step 5: Solve for x
    x = 738,276,448,014,113.88/31,120,790.10
  6. Step 6: Final answer
    x = 23,722,933.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.